text Yogyakarta Gadjah Mada University Press 1986 Cet.2 ind xi, 47 hlm.; 22cm. Sosial, pendidikan-Yogyakarta 979-420-002-6 20110208085553159 YOGYA-02110000002193 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)